Beggrov Karl Petrovich – Shrove-tide festivities with coasting on the Imperial meadow in St. Petersburg Hermitage ~ Part 01

The picture has something of this: people, group, many, crowd, flag, group together, man, military, city, soldier, smoke, street, war, building, flame, revolution, vehicle, landscape.
Perhaps it’s a painting of a crowd of people standing in front of a tall building with a flag on top of it and a clock tower in the background.